Int 2F/AX=FE00h/BX=4454h

AX = FE00h
BX = 4454h ("DT")
CX = 4B52h ("KR")
DX = 4E4Dh ("NM")

Return:
AL = FFh if installed
BX = 524Eh ("RM")
CX = 4D44h ("MD")
DX = 544Bh ("TK")

Note: DV/X 1.10 DVPCNFS.DVR searches AH=FEh,FFh,C0h-FDh for a valid response

See Also: AX=FE08h

Category: Network - Int 2Fh - P